Class 372/40 - Amorphous (e.g., glass)

Subclass of Class 372 - Coherent light generators
Definition: Subject matter where the solid active media does not have
No. of patents: 183
Last issue date: 08/16/2011

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Number	Title	Issue Date
8000362	Solid-state suspension laser generation utilizing separate excitation and extraction A solid-state suspension laser. The novel laser includes a gain medium comprised of a plurality of solid-state gain particles suspended in a fluid. The laser also includes a pump source for pumping the gain particles and a resonator for amplifying and outputting las...	08/16/2011
7773647	Glass for optical amplifier fiber A germanate glass composition suitable for use in a fiber amplifier for broadband amplification of optical signals is provided. The glass preferably includes 35-75% GeO2, 0-45% PbO, 5-20% BaO, 5-20% ZnO, and 2-10% R2O (R=Na, Li, K). It is doped...	08/10/2010
7711022	Polycrystalline transparent ceramic articles and method of making same A polycrystalline transparent ceramic article including lutetium is presented. The article includes an oxide with a formula of ABO3, having type A lattice sites and type B lattice sites. The lattice site A may further comprise a plurality of elements, in ...	05/04/2010
7646796	Solid-state suspension laser with separate excitation and extraction A laser. The novel laser includes a gain medium, a pump source adapted to optically excite the gain medium in a first location, and a resonator adapted to extract energy from the gain medium in a second location distinct from the first location. In an illustrative e...	01/12/2010
7630423	Glaze soldered laser components and method of manufacturing A glaze soldered solid-state laser active medium. The novel laser active medium includes a first section of a first material, a second section of a second material, and a layer of ceramic glaze joining the two sections. The first and second materials may be identica...	12/08/2009
7433376	Zig-zag laser with improved liquid cooling A zig-zag laser has the ability to generate a high power beam while effectively removing heat without degrading the beam quality. The laser has a series of gaps interposed between the thin slabs, the gain medium, and between the thin slabs and the quartz windows to ...	10/07/2008
7362497	Optical fibre This invention relates to optical fibres, fibre lasers, fibre laser arrays and sensor systems comprising fibre laser arrays. Conventional fibre laser sensor arrangements comprise a plurality of fibre lasers arranged in series along a length of optical fibre. A pump ...	04/22/2008
7316986	Glass ceramics for laser systems A glass-ceramic material, particularly for elements in laser systems, and a method for preparing same. The glass-ceramic material may be used for an optical fiber for communication systems and laser systems. The glass-ceramic may include gahnite crystals and optiona...	01/08/2008
7299557	Tilt sensor A tilt sensor has a source for optical radiation, a pattern support having an optically effective pattern for the passage of the optical radiation generated by the source, a tilt-sensitive unit downstream of the pattern support in the direction of propagation of the...	11/27/2007
7298768	Thulium-doped heavy metal oxide glasses for 2UM lasers A heavy metal oxide glass selected from germanate, tellurite and bismuth oxide glasses provides a host for highly efficient Thulium doped 2 μm oxide glass and fiber lasers. The concentration of Thulium ions is high enough that energy transferred by the phenomenon o...	11/20/2007
7170919	Diode-pumped solid-state laser gain module A laser gain device (10) holds a laser slab (60) which is pumped by pump energy from at least one diode array assembly (24). An angle at which pump energy from the diode array assembly (24) impinges the laser slab (60) is adjustabl...	01/30/2007
7149231	Monolithic, side-pumped, passively Q-switched solid-state laser A monolithic, side pumped, passively Q-switched, solid-state laser (10) includes a laser resonator structure (16) that includes a laser gain medium (12) having an output face bonded to a passive Q-switch (14). The gain medium (12) ...	12/12/2006
7130111	Optical amplifier with transverse pump An optical amplifier comprises a device substrate, a first waveguide embedded in the device substrate, and a plurality of lasers. The lasers are positioned to provide a first plurality of light beams substantially transverse to the first waveguide. ...	10/31/2006
7126976	Solid state lasers and a method for their production The present invention relates to a solid-state laser comprising: a) a semiconductor pump laser, b) a lens integrated on the surface of said semiconductor pump laser, c) a packaging material consisting essentially of a spin-on glass material, wherein the spin-on glas...	10/24/2006
7115536	Rare earth containing P2O5-WO3-Na2O glass for laser applications A rare earth containing glass nominally based on the ternary P2O5—WO3—Na2O-Ln2O3 compositional space, with WO3>30-65 mole %, Na2O 15-35 mole %, P2O5 5-6...	10/03/2006
7103078	Laser containing a distributed gain medium A laser device which may be used as an oscillator or amplifier comprising a chamber having a volume formed therein and a gain medium within the volume. The gain medium comprises solid-state elements containing active laser ion distributed within the volume. A coolin...	09/05/2006
7088756	Polarization maintaining dispersion controlled fiber laser source of ultrashort pulses A modelocked linear fiber laser cavity with enhanced pulse-width control includes concatenated sections of both polarization-maintaining and non-polarization-maintaining fibers. Apodized fiber Bragg gratings and integrated fiber polarizers are included in the cavity...	08/08/2006
7082149	High power diode side pumped solid state laser A high pulse energy, side pumped laser is provided. The laser has an optical cavity formed between a first and a second reflective surface. A lasing medium is located within the cavity along its optical axis. A plurality of diode bars are provided in optical communi...	07/25/2006
7079738	Method for manufacturing a glass doped with a rare earth element and fiber for optical amplification using the same An optical fiber for optical amplification, characterized in that a full width at half maximum of gain spectrum is 45 nm or more; and a maximum value of power conversion efficiency is 80% or more. A method for producing a rare earth element-doped glass for use in ma...	07/18/2006
7050470	Optical waveguides on glass substrates and lasers formed therefrom The invention is directed to optical devices comprising a solid-state structured glass substrate having at least one waveguide incorporated therein, particularly waveguides and lasers incorporating such structure. The invention is also directed to methods for modify...	05/23/2006
7050222	Methods and devices for high power, depolarized superluminescent diodes High power, low degree of polarization superluminescent diodes (SLDS) are described. A semiconductor optical amplifier (SOA) which amplifies light in substantially one polarizaton state can be used to create a SLD by combining the output from both sides of this pola...	05/23/2006
7031612	Optical transponders and transceivers An optical transponder/transceiver for intermediate range (e.g., 10-50 km) optical communication applications utilizes an electroabsorption modulated laser for the transmitting device. Preferably, the laser operations at a wavelength of approximately 1310 nm and com...	04/18/2006
7016593	Optical waveguide[[s]] and optical fiber perform including gallium, lanthanum, sulfur, oxygen, and fluorine An optical waveguide includes a clad of clad glass and a core of core glass. The clad glass includes gallium, lanthanum, and sulfur. The clad glass may include gallium sulfide and lanthanum oxide. The clad glass may also include lanthanum fluoride. The core glass in...	03/21/2006
7003206	Cladding-pumped optical fiber and methods for fabricating Disclosed is an optical fiber article for receiving pump radiation of a first wavelength for amplifying or generating radiation of a second wavelength. The optical fiber article includes a core for propagating light of the second wavelength. The core has a first ind...	02/21/2006
6993258	WDM transmitter A WDM transmitter comprising an array of M pump lasers multiplexed by an M×N multiplexer, in the form of a coupler, and used to feed an array of N optically pumped fiber lasers emitting at wavelengths λ1, λ2, . . . λN. The parame...	01/31/2006
6975344	Image recorder and light source unit with fixed element A light source unit is provided with light source parts, a fixable member and a positioning member. Each light source part comprises a submount receiving a bare chip of a laser diode thereon and a collimator lens collimating laser beam emitted from the bare chip of ...	12/13/2005
6970494	Rare-earth doped phosphate-glass lasers and associated methods Apparatus and method for integrating lasers and optics on glass substrates. An optical (e.g., laser) component formed from a glass substrate doped with a optically active lanthanides species with a plurality of waveguides defined by channels within the substrate. Th...	11/29/2005
6937629	Laser containing a distributed gain medium A laser device which may be used as an oscillator or amplifier comprising a chamber having a volume formed therein and a gain medium within the volume. The gain medium comprises solid-state elements containing active laser ion distributed within the volume. A coolin...	08/30/2005
6911160	Phosphate glass for use in the manufacture of ultra-short length lasers and amplifiers A high-gain phosphate glass composition, which can be used to produce ultra-short gain length lasers and optical amplifiers is described wherein the composition of the glass in addition to exhibiting high gain for lasers and amplifiers, also exhibits high thermal sh...	06/28/2005
6904069	Parasitic oscillation suppression in solid state lasers using optical coatings A laser gain medium having a layered coating on at least certain surfaces of the laser gain medium. The layered coating having a reflective inner material and an absorptive scattering outside material. ...	06/07/2005
6895152	Guided-mode laser apparatus with improved cladding structure and a method of fabricating thereof A solid state waveguided structure a core fabricated of a lasing medium, diffusion-bonded to a cladding fabricated of a laser-inactive material. The medium of the core comprises a lutetium-aluminum-garnet material doped with ions of ytterbium, lutetium-aluminum-garn...	05/17/2005
6879306	Scanned display systems using color laser light sources A display system for providing a user viewable visible color image includes a display for receiving color laser light so that the display, in response to color laser light, produces a viewable visible colored image; a plurality of different color laser light sources...	04/12/2005
6879609	Silicate glass for upconversion fluorescence A thulium doped silicate glass composition which contains SiO2, Al2O3, and La2O3 emits visible and UV light when excited by infrared light. The glass composition may also contain GeO2 and Er2	04/12/2005
6870868	Organic laser having improved linearity An organic vertical cavity laser device includes a substrate; a bottom dielectric stack reflective to light over a predetermined range of wavelengths and being disposed over the substrate, and an organic active region for producing laser light. The device also inclu...	03/22/2005
6862308	Hybrid heat capacity-moving slab solid-state laser Laser material is pumped and its stored energy is extracted in a heat capacity laser mode at a high duty factor. When the laser material reaches a maximum temperature, it is removed from the lasing region and a subsequent volume of laser material is positioned into ...	03/01/2005
6853659	Laser system utilizing highly doped laser glass A laser uses a rare-earth doped phosphate laser glass characterized by a particularly high rare-earth content to generate the highest possible output power/energy pulses. The laser glass is composed primarily of P2O5, Al2O3	02/08/2005
6822994	Solid-state laser using ytterbium-YAG composite medium A laser device employs a laser slab having an ionic layer and a nonionic layer, joined through an optical-quality interface. The laser slab has a trapezoidal cross-section in a direction perpendicular to the optical-quality interface. Thermal conductivity away from ...	11/23/2004
6821917	Tellurite glass and applications thereof A tellurite glass material has a composition of Li2O:TiO2:TeO2, and contains a dopant comprising ions of a rare earth metal. The rare earth ions can be thulium ions, Tm3+, to provide a material offering optical gain at 147...	11/23/2004
6810060	High-average power active mirror solid-state laser with multiple subapertures An apparatus and method for achieving ultrahigh-power output from a solid-state laser. The solid-state laser of the subject invention uses multiple disk-shaped laser gain media (subapertures) placed adjacent to each other to fill an optical aperture of an AMA module...	10/26/2004
6801676	Method and apparatus for phase shifting an optical beam in an optical device with a buffer plug An apparatus and method for modulating a phase of optical beam with reduced contact loss. In one embodiment, an apparatus according to embodiments of the present invention includes a first region of an optical waveguide disposed in semiconductor material. The first ...	10/05/2004

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Class 372/40 - Amorphous (e.g., glass)